FR2496343B1 - Condensateur variable - Google Patents

Condensateur variable

Info

Publication number
FR2496343B1
FR2496343B1 FR8123244A FR8123244A FR2496343B1 FR 2496343 B1 FR2496343 B1 FR 2496343B1 FR 8123244 A FR8123244 A FR 8123244A FR 8123244 A FR8123244 A FR 8123244A FR 2496343 B1 FR2496343 B1 FR 2496343B1
Authority
FR
France
Prior art keywords
variable capacitor
capacitor
variable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR8123244A
Other languages
English (en)
Other versions
FR2496343A1 (fr
Inventor
Shoichi Minagawa
Takamasa Sakai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Faurecia Clarion Electronics Co Ltd
Original Assignee
Clarion Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Clarion Co Ltd filed Critical Clarion Co Ltd
Publication of FR2496343A1 publication Critical patent/FR2496343A1/fr
Application granted granted Critical
Publication of FR2496343B1 publication Critical patent/FR2496343B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof  ; Multistep manufacturing processes therefor
    • H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/86—Types of semiconductor device ; Multistep manufacturing processes therefor controllable only by variation of the electric current supplied, or only the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched
    • H01L29/92—Capacitors with potential-jump barrier or surface barrier
    • H01L29/93—Variable capacitance diodes, e.g. varactors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J2200/00—Indexing scheme relating to tuning resonant circuits and selecting resonant circuits
    • H03J2200/10—Tuning of a resonator by means of digitally controlled capacitor bank
FR8123244A 1980-12-12 1981-12-11 Condensateur variable Expired FR2496343B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17622580A JPS5799787A (en) 1980-12-12 1980-12-12 Variable capacitance device

Publications (2)

Publication Number Publication Date
FR2496343A1 FR2496343A1 (fr) 1982-06-18
FR2496343B1 true FR2496343B1 (fr) 1987-05-15

Family

ID=16009809

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8123244A Expired FR2496343B1 (fr) 1980-12-12 1981-12-11 Condensateur variable

Country Status (4)

Country Link
JP (1) JPS5799787A (fr)
DE (1) DE3149257A1 (fr)
FR (1) FR2496343B1 (fr)
GB (1) GB2092372B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59154077A (ja) * 1983-02-23 1984-09-03 Clarion Co Ltd 可変容量素子
DE4332798A1 (de) * 1993-09-27 1995-03-30 Telefunken Microelectron Schaltungsanordnung für einen abstimmbaren Schwingkreis
WO1995031010A1 (fr) * 1994-05-10 1995-11-16 Valery Moiseevich Ioffe Diode varicap
US9847433B2 (en) * 2014-05-30 2017-12-19 Interchip Corporation Integrated MOS varicap, and voltage controlled oscillator and filter having same

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1384818A (en) * 1972-09-18 1975-02-26 Plessey Co Ltd Electrical capacitive storage cells
US3890635A (en) * 1973-12-26 1975-06-17 Gen Electric Variable capacitance semiconductor devices
JPS51123080A (en) * 1975-04-21 1976-10-27 Hitachi Ltd Variable capacitance element
US4001869A (en) * 1975-06-09 1977-01-04 Sprague Electric Company Mos-capacitor for integrated circuits
US4028694A (en) * 1975-06-10 1977-06-07 International Business Machines Corporation A/D and D/A converter using C-2C ladder network
JPS55120177A (en) * 1979-03-12 1980-09-16 Clarion Co Ltd Variable capacitance diode with plural electrode structures
JPS55120178A (en) * 1979-03-12 1980-09-16 Clarion Co Ltd Mis variable capacitance diode with plural electrode structures
JPS55120173A (en) * 1979-03-12 1980-09-16 Clarion Co Ltd Schottky type variable capacitance diode with plural electrode structures
GB2060250B (en) * 1979-03-12 1983-12-14 Clarion Co Ltd Controllable semiconductor capacitors
JPS55120174A (en) * 1979-03-12 1980-09-16 Clarion Co Ltd P-n junction variable capacitance diode with plural electrode structures
JPS55120176A (en) * 1979-03-12 1980-09-16 Clarion Co Ltd Variable capacitance diode with plural electrode structures

Also Published As

Publication number Publication date
GB2092372B (en) 1985-01-30
GB2092372A (en) 1982-08-11
JPH0142149B2 (fr) 1989-09-11
DE3149257A1 (de) 1982-07-29
DE3149257C2 (fr) 1992-04-09
FR2496343A1 (fr) 1982-06-18
JPS5799787A (en) 1982-06-21

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Legal Events

Date Code Title Description
DL Decision of the director general to leave to make available licences of right
ST Notification of lapse